{"id":"CVE-2026-21962","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-21962","generatedAt":"2026-10-31T06:00:39.533Z","title":"Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability","description":"Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and  14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in.  While the vulnerability is in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data as well as  unauthorized access to critical data or complete access to all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data. Note: Affected version for Weblogic Server Proxy Plug-in for IIS is 12.2.1.4.0 only. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).","published":"2026-01-20T22:15:59.000Z","lastModified":"2026-08-25T04:18:11.000Z","status":"Analyzed","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N"},"cwe":["CWE-284"],"affected":["oracle/http server","oracle/weblogic server proxy plug-in"],"epss":{"score":0.73192,"percentile":0.99456,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.70915,"percentile":0.99382},{"date":"2026-10-04","score":0.73192,"percentile":0.99446}]},"kev":{"listed":true,"dateAdded":"2026-08-24","dueDate":"2026-08-27","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\nhttps://www.oracle.com/security-alerts/cpujan2026.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-21962"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 27 August 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.70915,"from":0.42475,"percentile":0.99382},"summary":"EPSS moved from 42.5% to 70.9% probability of exploitation in the next thirty days."}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2026.html","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1","tags":["Broken Link","Not Applicable"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://web.archive.org/web/20260129165916/https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1","tags":["Issue Tracking"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21962","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://x.com/0xacb/status/2015473216844620280","tags":["Not Applicable"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21962","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}